// Modal Dialog Box
// copyright 8th July 2006 by Stephen Chapman
// http://javascript.about.com/
// permission to use this Javascript on your web page is granted
// provided that all of the code in this script (including these
// comments) is used without any alteration
function pageWidth()
 {return window.innerWidth != null? window.innerWidth: document.documentElement && document.documentElement.clientWidth ? document.documentElement.clientWidth:document.body != null? document.body.clientWidth:null;}function pageHeight() {return window.innerHeight != null? window.innerHeight: document.documentElement && document.documentElement.clientHeight ? document.documentElement.clientHeight:document.body != null? document.body.clientHeight:null;}
function posLeft() {return typeof window.pageXOffset != 'undefined' ? window.pageXOffset:document.documentElement && document.documentElement.scrollLeft? document.documentElement.scrollLeft:document.body.scrollLeft? document.body.scrollLeft:0;}function posTop() {return typeof window.pageYOffset != 'undefined' ? window.pageYOffset:document.documentElement && document.documentElement.scrollTop? document.documentElement.scrollTop: document.body.scrollTop?document.body.scrollTop:0;}function $_(x){return document.getElementById(x);}function scrollFix(){var obol=$_('ol');obol.style.top=posTop()+'px';obol.style.left=posLeft()+'px'}function sizeFix(){var obol=$_('ol');obol.style.height=pageHeight()+'px';obol.style.width=pageWidth()+'px';}function kp(e){ky=e?e.which:event.keyCode;if(ky==88||ky==120)hm();return false}function inf(h){tag=document.getElementsByTagName('select');for(i=tag.length-1;i>=0;i--)tag[i].style.visibility=h;tag=document.getElementsByTagName('iframe');for(i=tag.length-1;i>=0;i--)tag[i].style.visibility=h;tag=document.getElementsByTagName('object');for(i=tag.length-1;i>=0;i--)tag[i].style.visibility=h;}
function initmb()
 {
 var ab='absolute';
 var n='none';
 var obody=document.getElementsByTagName('body')[0];
 var frag=document.createDocumentFragment();
 var obol=document.createElement('div');
 obol.setAttribute('id','ol');
 obol.style.display=n;obol.style.position=ab;
 obol.style.top=0;
 obol.style.left=0;
 obol.style.zIndex=998;
 obol.style.width='100%';
 frag.appendChild(obol);
 var obbx=document.createElement('div');
 obbx.setAttribute('id','mbox');
 obbx.style.display=n;
 obbx.style.position=ab;
 obbx.style.zIndex=999;
 var obl=document.createElement('span');
 obbx.appendChild(obl);
 var obbxd=document.createElement('div');
 obbxd.setAttribute('id','mbd');
 obl.appendChild(obbxd);
 frag.insertBefore(obbx,obol.nextSibling);
 obody.insertBefore(frag,obody.firstChild);
window.onscroll = scrollFix; window.onresize = sizeFix;
}
function sm(obl, wd, ht)
{
     var h='hidden';
     var b='block';
     var p='px';
     var obol=$_('ol');
     var obbxd = $_('mbd');
     if(obbxd!=null)
     obbxd.innerHTML = $_(obl).innerHTML;
     obol.style.height=pageHeight()+p;
     obol.style.width=pageWidth()+p;obol.style.top=posTop()+p;
     obol.style.left=posLeft()+p;obol.style.display=b;
     var tp=posTop()+((pageHeight()-ht)/2)-12;
     var lt=posLeft()+((pageWidth()-wd)/2)-12;
     var obbx=$_('mbox');obbx.style.top=(tp<0?0:tp)+p;
     obbx.style.left=(lt<0?0:lt)+p;
     obbx.style.width=wd+p;
     obbx.style.height=ht+p;
     inf(h);obbx.style.display=b;
     return false;
} 
function hm(){var v='visible';var n='none';$_('ol').style.display=n;$_('mbox').style.display=n;inf(v);document.onkeypress=''}
function waitBox(obl, wd, ht)
{
var h='hidden';
var b='block';
var p='px';
var obol=$_('ol');
 var obbxd = $_('mbd');
  if(obbxd!=null)
 obbxd.innerHTML = $_(obl).innerHTML;
 obol.style.height=pageHeight()+p;
 obol.style.width=pageWidth()+p;obol.style.top=posTop()+p;
 obol.style.left=posLeft()+p;obol.style.display=b;
 var tp=250;
 var lt=posLeft()+((pageWidth()-wd)/2)-12;
 var obbx=$_('mbox');obbx.style.top=(tp<0?0:tp)+p;
 obbx.style.left=(lt<0?0:lt)+p;
 obbx.style.width=wd+p;
 obbx.style.height=ht+p;
 inf(h);obbx.style.display=b;
 return false;
}
function openModalWindow(_div,mainDiv)
{
  
   var div = $_(_div);
   var bgDiv = $_(mainDiv);
   var frame=$_("frame"); 
    bgDiv.style.height = _$("main_content").offsetHeight+"px";
    frame.style.height = (_$("main_content").offsetHeight-5)+"px";
    var _top = ( (window.screen.availHeight) - (530/2) ) + "px";
    var _left = ( (window.screen.availWidth/2) - (980/2) ) + "px";    
    bgDiv.style.top = "5px";
    bgDiv.style.left = "0px";
    frame.style.top = "5px";
    frame.style.left = "0px";   
    var tp=posTop()+((pageHeight()-500))-12;
    var lt=posLeft()+((pageWidth()-800))-12;
    //get the size of the window and calculate where the box should be placed
    var wDim = getBrowserWindowSize();
    div.style.top =tp  + 'px';
    div.style.left = lt + 'px';
    bgDiv.style.width = pageWidth() + 'px';
    frame.style.width = (pageWidth()-5) + 'px';
    show(div);
    show(bgDiv);
    show(frame);
}
function getBrowserWindowSize() {
    var winW = 630, winH = 460;
    if (parseInt(navigator.appVersion)>3) {
        if (navigator.appName=="Netscape") {
            winW = window.innerWidth;
            winH = window.innerHeight;
        }
        if (navigator.appName.indexOf("Microsoft")!=-1) {
            winW = document.body.offsetWidth;
            winH = document.body.offsetHeight;
        }
    }
    var rval = {
        width: winW,
        height: winH
    };
    return rval;
}      
function show(_div)
{
    _div.style.display="block";
}